Stacked urban tunnel rainwater regulation and storage system and multi-mode lifting method

Abstract

The invention discloses a stacked urban tunnel rainwater regulation and storage system and a multi-mode lifting method, an underground layer included in a rainwater regulation and storage pond is built together with an urban tunnel, so that a bottom plate and a structural middle plate of the urban tunnel are integrated; the length direction of the rainwater storage pond is perpendicular to the length direction of the urban tunnel, and the end walls at the two ends are located on the outer sides of the side walls on the two sides of the urban tunnel. Access doors leading to the first underground floor are arranged on the side walls of the two sides of the urban tunnel; the first underground layer comprises a water pump maintenance platform and a flushing equipment maintenance platform; the second underground layer comprises a plurality of galleries; a water collecting pit provided with a water pump is arranged at the position, corresponding to the water pump maintenance platform, of each gallery, and a water storage chamber provided with cleaning equipment is arranged at the position, corresponding to the flushing equipment maintenance platform, of each gallery; the bottom of the urban tunnel collects rainwater of an internal open section through a transverse ditch, and the rainwater is guided to pass through the grid equipment of the water pump maintenance platform and then enters the gallery of the second underground layer through the inflow drop ladder. The tunnel and the storage pond can be built together, land is saved, and engineering investment is reduced.

Description

Technical Field

[0001] The present invention relates to the technical field of urban tunnel rainwater storage and regulation, and in particular to a stacked urban tunnel rainwater storage and regulation system and a multi-modal lifting method. Background Art

[0002] The rainwater collection standard in urban tunnels is much higher than that on ordinary roads. Traditional rainwater pumping houses in urban tunnels have a single function and lack storage capacity.

[0003] However, when drainage outlets are limited, setting up a separate regulating reservoir will waste land, become bulky, and require high investment.

[0004] Therefore, how to make the rainwater storage system able to receive and store rainwater in the tunnel area, structurally built together with the tunnel to optimize the use of space, and provide the rainwater lifting pump in the storage tank with a multi-modal operation mode that meets the operating conditions of the tunnel pump room, solve the problems existing in the existing technology, reduce the project cost, and save land resources has become a technical problem that technical personnel in this field urgently need to solve. Summary of the Invention

[0005] In view of the above-mentioned defects of the prior art, the present invention provides a stacked urban tunnel rainwater storage system and a multi-modal lifting method. The purpose is to enable the rainwater storage system to receive and store rainwater in the tunnel area, and structurally it can be built together with the tunnel to optimize the use of space. It can also provide the rainwater lifting pump in the storage tank with a multi-modal operation mode that meets the operating conditions of the tunnel pump room, thereby solving the problems existing in the prior art, reducing project costs, and saving land resources.

[0006] To achieve the above-mentioned purpose, the present invention discloses a stacked urban tunnel rainwater storage system, wherein the rainwater storage tank includes an underground first floor and an underground second floor separated by a structural mid-plate; the underground first floor is built together with the urban tunnel, so that the bottom plate of the urban tunnel and the structural mid-plate are a whole.

[0007] The projection of the rainwater storage tank on the horizontal plane is rectangular, the length direction of which is perpendicular to the length direction of the urban tunnel, and the end walls at both ends are located outside the side walls on both sides of the urban tunnel;

[0008] Both side walls of the urban tunnel are provided with inspection doors leading to the underground floor;

[0009] The spaces on the underground floor outside the urban tunnel are respectively a water pump maintenance platform and a flushing equipment maintenance platform;

[0010] The second underground floor is divided into three or more corridors extending in the length direction by two or more partition walls evenly distributed in the width direction;

[0011] Each of the corridors has a sump with a water pump at one end below the water pump maintenance platform, and a water storage room with cleaning equipment at the other end below the flushing equipment maintenance platform.

[0012] The water pump maintenance platform includes a grid device and a drainage pipeline;

[0013] The grid device is used to separate solids from liquids in the open section of the urban tunnel;

[0014] The drainage pipe is used to discharge rainwater lifted by any of the water pumps;

[0015] The bottom of the urban tunnel collects rainwater from the internal open section through a cross-cutting ditch, and diverts the rainwater through the grid device and then into the corridor of the second underground floor through the inflow waterfall step;

[0016] All the water output from the water pumps is pressure-connected to the ground municipal drainage pipeline through the drainage pipeline.

[0017] Preferably, an air duct connected to a deodorizing device is provided on the roof of the urban tunnel.

[0018] Preferably, a hoisting hole is provided between the underground floor and the ground;

[0019] The hoisting hole is a vertically arranged pipe located on the outer side of a side wall of the urban tunnel.

[0020] Preferably, the structural mid-plate is provided with a water pump hoisting hole and a cleaning equipment hoisting hole at the position of each water pump and each cleaning equipment corresponding to below the water pump maintenance platform and the flushing equipment maintenance platform;

[0021] Lifting equipment is provided in the water pump maintenance platform and the flushing equipment maintenance platform, near the corresponding top plate, at the positions corresponding to the corresponding water pump lifting holes or the corresponding cleaning equipment lifting holes;

[0022] Each of the lifting devices is used to lift the corresponding water pump or the corresponding cleaning equipment.

[0023] Preferably, a staircase is provided between the first underground floor and the second underground floor;

[0024] The stairs are arranged within the range of the water pump maintenance platform.

[0025] Preferably, the water pump maintenance platform and the flushing equipment maintenance platform are both provided with air ducts and ventilation equipment, and air is both supplied and exhausted through the corresponding air ducts and the corresponding ventilation equipment.

[0026] The present invention also provides a multi-modal lifting method for controlling all the water pumps of the above-mentioned stacked urban tunnel rainwater storage system;

[0027] All the water pumps are divided into three groups; the water pumps in the first group are wastewater pump groups, the water pumps in the second group are emergency pump groups, and the water pumps in the third group are venting pump groups;

[0028] The elevation and installation height of the sump where the wastewater pump group is located are lower than the elevation and installation height of the sump where the emergency pump group and the vent pump group are located;

[0029] The drain pump group is used to discharge the water in the effective volume of the rainwater storage tank, and a gate valve and a tee are arranged on the corresponding water outlet riser to form a water supply pipe under the structural middle plate, the opening and closing of which is controlled by the gate valve. The discharged rainwater is led to the water storage chamber through the water supply pipe;

[0030] The wastewater pump group is used to discharge the water below the pump water level of the vent pump group;

[0031] The emergency pump set is used for emergency discharge when the rainfall is higher than the design standard and the water volume in the rainwater storage tank exceeds the carrying range;

[0032] A liquid level meter is provided in the sump, and an electric control opening and closing device is provided for each water pump;

[0033] All of the electrically controlled opening and closing devices open or close the corresponding water pumps according to the water level and water volume conditions collected by the liquid level meter.

[0034] Preferably, the outlet water of the wastewater pump group is connected to the municipal sewage pipe;

[0035] The outlet water of the emergency pump group and the venting pump group is connected to the municipal rainwater pipe.

[0036] Beneficial effects of the present invention:

[0037] The present invention can build the tunnel and the regulating reservoir together, saving land and reducing project investment.

[0038] The present invention can meet the temporary regulation and storage function of rainwater when the drainage outlet of the tunnel pump station is limited.

[0039] The water pump in the present invention is implemented through a multi-modal lifting scheme, which can meet the normal storage and emptying conditions of the regulating reservoir, as well as the water replenishment of the water storage chamber of the flushing equipment under long-term low rainfall conditions, the emptying of wastewater under small water volume conditions, and the emergency discharge function under excessive rainstorm conditions.

[0040] The concept, specific structure and technical effects of the present invention will be further described below in conjunction with the accompanying drawings to fully understand the purpose, characteristics and effects of the present invention. BRIEF DESCRIPTION OF THE DRAWINGS

[0041] Figure 1 A schematic diagram of the longitudinal cross-section structure of a rainwater storage tank in one embodiment of the present invention is shown.

[0042] Figure 2 A schematic diagram of the plan structure of the underground floor in one embodiment of the present invention is shown.

[0043] Figure 3 A schematic diagram of the plan structure of the second underground floor in one embodiment of the present invention is shown.

[0044] Figure 4 A schematic cross-sectional structural diagram of a rainwater storage tank provided with a water pump at one end in one embodiment of the present invention is shown. DETAILED DESCRIPTION

[0045] Example

[0046] like Figures 1 to 3 As shown, a stacked urban tunnel rainwater storage system is characterized in that the rainwater storage tank 1 includes an underground floor 12 and a second underground floor 13 separated by a structural mid-slab 11; the underground floor is built together with the urban tunnel 2, so that the bottom plate of the urban tunnel 2 and the structural mid-slab 11 are integrated;

[0047] The projection of the rainwater storage tank 1 on the horizontal plane is rectangular, with its length direction perpendicular to the length direction of the urban tunnel 2, and the end walls at both ends are located outside the side walls of the urban tunnel 2;

[0048] Both side walls of the urban tunnel 2 are provided with inspection doors 21 leading to the underground level 12;

[0049] The spaces on the underground level 12 outside the urban tunnel 2 are respectively a water pump maintenance platform 3 and a flushing equipment maintenance platform 4;

[0050] The second underground floor 13 is divided into three or more corridors 132 extending in the length direction by two or more partition walls 131 evenly distributed in the width direction;

[0051] Each corridor 132 has a sump with a water pump 1321 at one end below the water pump maintenance platform 3, and a water storage chamber 1323 with a cleaning device 1322 at the other end below the flushing equipment maintenance platform 4.

[0052] The water pump maintenance platform 3 includes a grid device 31 and a drainage pipeline 32;

[0053] The grid device 31 is used to separate the solid and liquid of the water entering the open section of the urban tunnel 2;

[0054] The drainage pipe 32 is used to discharge rainwater lifted by any water pump 1321;

[0055] The bottom of the urban tunnel 2 collects rainwater from the open section inside through the cross-cutting ditch 21, and diverts the rainwater through the grid device 31, and then enters the corridor 132 of the second underground floor 13 through the inflow waterfall step 5;

[0056] The water output from all water pumps 1321 is pressure-connected to the ground municipal drainage pipeline through the drainage pipeline 32.

[0057] The presence of the grid device 31 in the present invention can prevent solid waste from affecting the operation of the water pump, and it also needs to be cleared regularly.

[0058] Each corridor 132 has a slope, and the water storage chamber 1323 with cleaning equipment 1322 located upstream is used for storing water and releasing water for flushing.

[0059] In some embodiments, an air duct 22 connected to the deodorizing device 21 is provided on the top plate of the urban tunnel 2 .

[0060] In some embodiments, a lifting hole 121 is provided between the underground floor 12 and the ground;

[0061] The hoisting hole 121 is a vertically arranged pipe located on the outer side of a side wall of the urban tunnel 2 .

[0062] In some embodiments, the structural mid-plate 11 is provided with a water pump hoisting hole 111 and a cleaning equipment hoisting hole 112 at the position corresponding to each water pump 1321 and each cleaning equipment 1322 below the water pump maintenance platform 3 and the flushing equipment maintenance platform 4;

[0063] Inside the water pump maintenance platform 3 and the flushing equipment maintenance platform 4, near the corresponding top plate, at the position corresponding to the corresponding water pump lifting hole 111 or the corresponding cleaning equipment lifting hole 112, a lifting device 5 is provided;

[0064] Each lifting device 5 is used to lift a corresponding water pump 1321 or a corresponding cleaning device 1322 .

[0065] In actual application, if the flushing equipment maintenance platform 4 is set at the hoisting hole 121 and the hoisting hole 121 is aligned with the cleaning equipment hoisting hole 112, the corresponding flushing equipment can also be directly hoisted from the ground to the second underground floor 13.

[0066] In some embodiments, a staircase 9 is provided between the first underground floor 12 and the second underground floor 13;

[0067] The stairs 9 are arranged within the range of the water pump maintenance platform 3 .

[0068] In some embodiments, the water pump maintenance platform 3 and the flushing equipment maintenance platform 4 are both provided with air ducts 7 and ventilation equipment 8, and air is both supplied and exhausted through the corresponding air ducts 7 and corresponding ventilation equipment 8.

[0069] like Figure 4 As shown, the present invention also provides a multi-modal lifting method for controlling all water pumps 1321 of the above-mentioned stacked urban tunnel rainwater storage system;

[0070] All water pumps 1321 are divided into three groups; the first group of water pumps 1321 is the wastewater pump group 1321A, the second group of water pumps 1321 is the emergency pump group 1321B, and the third group of water pumps 1321 is the vent pump group 1321C;

[0071] The elevation and installation height of the sump where the wastewater pump group 1321A is located are lower than the elevation and installation height of the sump where the emergency pump group 1321B and the vent pump group 1321C are located;

[0072] The drain pump group 1321C is used to discharge the water in the effective volume of the rainwater storage tank 1. A gate valve and a tee are installed on the corresponding water outlet riser to form a water supply pipe 6 under the structural middle plate 11. The water supply pipe 6 is controlled by the opening and closing of the gate valve. The discharged rainwater is led to the water storage chamber 1323 through the water supply pipe 6.

[0073] The wastewater pump group 1321A is used to discharge the water below the pump water level of the empty pump group 1321C;

[0074] The emergency pump group 1321B is used for emergency discharge when the rainfall exceeds the design standard and the water volume in the rainwater storage tank 1 exceeds the carrying capacity;

[0075] A liquid level meter is installed in the sump, and an electric control opening and closing device is installed for each water pump 1321;

[0076] All electrically controlled opening and closing devices open or close corresponding water pumps 1321 according to the water level and water volume collected by the liquid level meter.

[0077] The present invention forms a water supply pipe 6 under the structural middle plate 11 by arranging a gate valve and a tee on the corresponding water outlet riser of the emptying pump group 1321C, the opening and closing of which is controlled by the gate valve. The released rainwater is led to the water storage chamber 1323 through the water supply pipe 6, which can meet the needs of replenishing water for the water storage chamber 1323 under the condition of long-term low rainfall, so as to realize regular automatic flushing of the rainwater storage tank 1.

[0078] In some embodiments, the outlet of the wastewater pump group 1321A is connected to the municipal sewage pipe;

[0079] The outlet water of emergency pump group 1321B and vent pump group 1321C is connected to the municipal rainwater pipe.

[0080] The above describes in detail the preferred embodiments of the present invention. It should be understood that those skilled in the art can make numerous modifications and variations based on the concepts of the present invention without inventive effort. Therefore, any technical solutions that can be derived by those skilled in the art through logical analysis, reasoning, or limited experimentation based on the concepts of the present invention and the prior art should be within the scope of protection defined by the claims.

Claims

1. The cascade urban tunnel rainwater storage system is characterized by: The rainwater storage tank (1) comprises an underground first floor (12) and an underground second floor (13) separated by a structural middle plate (11); the underground first floor is built together with the urban tunnel (2), so that the bottom plate of the urban tunnel (2) and the structural middle plate (11) are integrated; The projection of the rainwater storage tank (1) on the horizontal plane is rectangular, the length direction of which is perpendicular to the length direction of the urban tunnel (2), and the end walls at both ends are located outside the side walls on both sides of the urban tunnel (2); Both side walls of the urban tunnel (2) are provided with inspection doors (21) leading to the underground first floor (12); The space on the underground floor (12) outside the urban tunnel (2) is a water pump maintenance platform (3) and a flushing equipment maintenance platform (4); The second underground floor (13) is divided into three or more corridors (132) extending in the length direction by two or more partition walls (131) evenly distributed in the width direction; Each of the corridors (132) has a water collection pit provided with a water pump (1321) at one end thereof below the water pump maintenance platform (3), and a water storage chamber (1323) provided with a cleaning device (1322) at the other end thereof below the flushing equipment maintenance platform (4). The water pump maintenance platform (3) includes a grid device (31) and a drainage pipeline (32); The grid device (31) is used to separate solid and liquid from water entering the open section of the urban tunnel (2); The drainage pipeline (32) is used to discharge rainwater lifted by any one of the water pumps (1321); The bottom of the urban tunnel (2) collects rainwater from the internal open section through a cross-cutting ditch (21), and drains the rainwater through the grid device (31) and then into the corridor (132) of the second underground floor (13) through the inflow waterfall step (5); The water output from all the water pumps (1321) is pressure-connected to the ground municipal drainage pipeline through the drainage pipeline (32).

2. The stacked urban tunnel rainwater storage system according to claim 1, characterized in that: An air duct (22) connected to a deodorizing device (21) is provided on the top plate of the urban tunnel (2).

3. The stacked urban tunnel rainwater storage system according to claim 1, characterized in that: A hoisting hole (121) is provided between the underground floor (12) and the ground; The hoisting hole (121) is a vertically arranged pipe located on the outside of a side wall of one side of the urban tunnel (2).

4. The stacked urban tunnel rainwater storage system according to claim 1, characterized in that: The structural middle plate (11) is provided with a water pump hoisting hole (111) and a cleaning equipment hoisting hole (112) at the position corresponding to each water pump (1321) and each cleaning equipment (1322) below the water pump maintenance platform (3) and the flushing equipment maintenance platform (4); Lifting equipment (5) is provided in the water pump maintenance platform (3) and the flushing equipment maintenance platform (4), near the corresponding top plate, at positions corresponding to the corresponding water pump hoisting holes (111) or the corresponding cleaning equipment hoisting holes (112); Each of the lifting devices (5) is used to lift the corresponding water pump (1321) or the corresponding cleaning equipment (1322).

5. The stacked urban tunnel rainwater storage system according to claim 1, characterized in that: A staircase (9) is provided between the first underground floor (12) and the second underground floor (13); The staircase (9) is arranged within the range of the water pump maintenance platform (3).

6. The stacked urban tunnel rainwater storage system according to claim 1, characterized in that: The water pump maintenance platform (3) and the flushing equipment maintenance platform (4) are both provided with air ducts (7) and ventilation equipment (8), and both use the corresponding air ducts (7) and the corresponding ventilation equipment (8) for air intake and exhaust.

7. A multimodal lifting method, characterized in that: Used for controlling all the water pumps (1321) of any stacked urban tunnel rainwater storage system according to any one of claims 1 to 6; All the water pumps (1321) are divided into three groups; the first group of water pumps (1321) is a wastewater pump group (1321A), the second group of water pumps (1321) is an emergency pump group (1321B), and the third group of water pumps (1321) is a venting pump group (1321C); The elevation and installation height of the sump where the wastewater pump group (1321A) is located are lower than the elevation and installation height of the sump where the emergency pump group (1321B) and the vent pump group (1321C) are located; The drain pump group (1321C) is used to discharge the water in the effective volume of the rainwater storage tank (1), and a gate valve and a tee are provided on the corresponding water outlet riser to form a water supply pipe (6) under the structural middle plate (11), the opening and closing of which is controlled by the gate valve. The discharged rainwater is led to the water storage chamber (1323) through the water supply pipe (6); The wastewater pump group (1321A) is used to discharge the water below the pump water level of the vent pump group (1321C); The emergency pump group (1321B) is used for emergency discharge when the rainfall exceeds the design standard and the water volume in the rainwater storage tank (1) exceeds the carrying range; A liquid level meter is provided in the water collection pit, and an electric control opening and closing device is provided for each water pump (1321); All the electrically controlled opening and closing devices open or close the corresponding water pump (1321) according to the water level and water volume collected by the liquid level meter.

8. The multimodal improvement method according to claim 7, wherein: The outlet water of the wastewater pump group (1321A) is connected to the municipal sewage pipe; The outlet water of the emergency pump group (1321B) and the venting pump group (1321C) is connected to the municipal rainwater pipe.

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